Home / 55,087.82-75,993.21-35,978.79

Finding the Fourth Proportional to 55,087.82, 75,993.21 and 35,978.79

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Solution

The fourth proportional to 55,087.82, 75,993.21 and 35,978.79 is: 49,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.82 : 75,993.21 = 35,978.79 : x
  2. Step 2: Convert to fraction form
    55,087.82/75,993.21 = 35,978.79/x
  3. Step 3: Cross multiply
    55,087.82x = 75,993.21 × 35,978.79
  4. Step 4: Simplify right side
    55,087.82x = 2,734,143,916.45
  5. Step 5: Solve for x
    x = 2,734,143,916.45/55,087.82
  6. Step 6: Final answer
    x = 49,632.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.